並前往https://static1.squarespace.com/static/561d0274e4b0601b7c814ca9/t/643eae9a341e6f18e9fa6b96/1681829531302/THE+FOUR+ROLES+AND+FUNCTIONS+OF+MASS+MEDIA+ACCORDING+TO+HAROLD+LASWELL+AND+THE+CURRENT+MEDIA+ENVIRONMENT+IN+MALAYSIA+%281%29.pdf